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Our 2000, 4000 and 6000 series of double-hung windows are made with superior performance and energy efficiency in mind. Expect year-round excellence!
Double-hung windows are not only beautiful, but they allow plenty of natural light in and offer energy savings to your monthly bills. Our replacement double-hung windows are a timeless option for your home, and remain our most popular window style.
Double-Hung window colors to meet your specific taste.
*Color options may vary based on package, dimensions and more.
The 2000 series will be a smart, gracious addition to your home, providing a lifetime of beauty, comfort and convenience. Express your unique aesthetic with these custom-made windows.
4000 series windows from Window World of D.C. are beautiful as well as remarkably solid, sturdy and stable. Our beveled mainframe design is exceptionally slim and refined. Their sleek construction easily complements any type of architecture. You will find that 4000 series vinyl frames will never chip, peel, crack or warp, and are maintenance free.
The superior performance of 6000 series windows starts with innovation. Every precision-engineered component contributes to superior energy savings. Best yet, 6000 series windows are covered by Window World of D.C.’s impressive limited lifetime warranty for complete peace-of-mind.
Energy-efficient windows keep air from leaking in or out of your home, meaning your HVAC system won’t have to work as hard to keep your space comfortable. That also leads to savings on your energy bills.
Double-hung windows allow for both top and bottom panes to move up and down independent of the other.
With a reinforced narrow silhouette frame and low profile, double-hung windows make a stylish statement. The result is a beautifully spacious glass area.
At the same time, internal chambers increase the structural integrity and rigidity of the windows as well as add energy efficiency.
Yes! Save on heating and cooling costs year-round with the SolarZone™ TG2 Elite™ insulated glass package. In warm weather, it will reduce solar heat accumulation, minimize interior glare and lower interior glass temperature. In cool temps, it delivers outstanding thermal performance and warmer interior glass surfaces to maintain comfort in the winter. This package also meets all ENERGY STAR requirements.
Our double-hung windows are built to fit your home’s specific measurements. Contact us to learn size specifications of our different models.
Yes! When extreme wind and weather hit, our proprietary sill interlock stands strong. Traditional slope sill designs can allow the sash to bow during powerful winds, but with our interlocking sash-to-sill technology, the sash is channeled firmly into the window frame for a unified wall of strength.